How To Fix WZ854 - Exception raised in function module of the rule

WZ854 - Overview

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 854

• Message text: Exception raised in function module of the rule

Self-Explanatory Message

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• What is the cause and solution for SAP error message WZ854 - Exception raised in function module of the rule ?

  SAP Error Message:
  WZ854 - Exception raised in function module of the rule
  
  
  Cause:
  This error occurs when a function module called within a BRF+ (Business Rule Framework plus) rule raises an exception during its execution. In other words, the rule logic includes a call to a function module, and that function module encounters an error or unexpected condition, causing an exception to be thrown.
  Common causes include:  
  
  The function module is called with incorrect or incomplete parameters.  
  The function module encounters a runtime error (e.g., division by zero, null pointer, database error).  
  Authorization or system issues prevent the function module from executing properly.  
  The function module is not active or not available in the system.  
  Data inconsistencies or missing data required by the function module.
  
  
  
  Solution:
  
  
  Identify the Function Module:
  Check the BRF+ rule where the error occurs and identify which function module is being called.
  
  
  Check the Exception Details:
  Look at the